In this weeks parsha, Chukat, “G-d tells Moses to speak to the rock and water will come forth” (Numbers 20:8) I believe, it’s the Gaon of Vilna who points out something fascinating. If you take the 3 letters that make up the word “SELA” (Eng. rock) – Samech, Lamed and Ayin and you spell out each letter by itself, you will discover that the Middle letters are Mem, Mem and Yud. The letters which make up the word “Mayim”(Eng. water) .
This works using the Hebrew letters of course, as presented in the above graphic.